import java.util.Scanner;

public class Test2 {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            int z = scanner.nextInt();
            Sub sub = new Sub(x, y, z);
            System.out.println(sub.calculate());
        }
    }
}

class Base {


    private int x;

    private int y;

    public Base(int x, int y) {

        this.x = x;

        this.y = y;
    }

    public int getX() {

        return x;
    }


    public int getY() {

        return y;
    }

}

class Sub extends Base {

    private int z;

    public Sub(int x, int y, int z) {
        super(x, y);
        this.z = z;
        //write your code here
    }

    public int getZ() {

        return z;
    }

    public int calculate() {

        return super.getX() * super.getY() * this.getZ();
    }

}

